<template>
    <div class="login">

        <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
            <h3 class="title">Java1234 Vue3 后台管理系统</h3>

            <el-form-item prop="username">

                <el-input
                    v-model="loginForm.username"
                    type="text"
                    size="large"
                    auto-complete="off"
                    placeholder="账号"
                >
                    <template #prefix><svg-icon icon="user" /></template>
                </el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input
                    v-model="loginForm.password"
                    type="password"
                    size="large"
                    auto-complete="off"
                    placeholder="密码"
                    @keyup.enter="handleLogin"
                >
                    <template #prefix><svg-icon icon="password" /></template>
                </el-input>
            </el-form-item>


            <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
            <el-form-item style="width:100%;">
                <el-button
                    size="large"
                    type="primary"
                    style="width:100%;"
                    @click.prevent="handleLogin"
                >
                    <span>登 录</span>

                </el-button>

            </el-form-item>
        </el-form>
        <!--  底部  -->
        <div class="el-login-footer">
            <span>Copyright © 2013-2022 <a href="http://www.java1234.vip" target="_blank">java1234.vip</a> 版权所有.</span>
        </div>
    </div>
</template>

<script setup>

import {ref} from 'vue'
import requestUtil from '@/util/request'
import store from '@/store'
import qs from "qs"
import {ElMessage} from "element-plus"
import router from "@/router"
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/util/jsencrypt";

const loginRef=ref(null)

const loginForm=ref({
    username:"",
    password:"",
    rememberMe:false
})

const loginRules = {
    username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
    password: [{ required: true, trigger: "blur", message: "请输入您的密码" }]
};

const handleLogin=()=>{
    loginRef.value.validate(async(valid)=>{

        if(valid){
            // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
            if (loginForm.value.rememberMe) {
                Cookies.set("username", loginForm.value.username, { expires: 30 });
                Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
                Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
            } else {
                // 否则移除
                Cookies.remove("username");
                Cookies.remove("password");
                Cookies.remove("rememberMe");
            }

            let result=await requestUtil.post("login?"+qs.stringify(loginForm.value))
            let data=result.data;
            if(data.code==200){
                const token=data.authorization
                const menuList=data.menuList;
                const currentUser=data.currentUser;
                console.log("menuList="+menuList);
                store.commit('SET_MENULIST',menuList);
                store.commit('SET_TOKEN',token);
                store.commit('SET_USERINFO',currentUser);
                router.replace("/index")
            }else{
                ElMessage.error(data.msg)
            }
        }else{
            console.log("验证失败")
        }
    })
}

function getCookie() {
    const username = Cookies.get("username");
    const password = Cookies.get("password");
    const rememberMe = Cookies.get("rememberMe");
    loginForm.value = {
        username: username === undefined ? loginForm.value.username : username,
        password: password === undefined ? loginForm.value.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
    };
}

getCookie();

</script>

<style lang="scss" scoped>
a{
    color:white
}
.login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    //background-image: url("../assets/images/login-background.jpg");
    background-size: cover;
}
.title {
    margin: 0px auto 30px auto;
    text-align: center;
    color: #707070;
}

.login-form {
    border-radius: 6px;
    background: #ffffff;
    width: 400px;
    padding: 25px 25px 5px 25px;

    .el-input {
        height: 40px;



        input {
            display: inline-block;
            height: 40px;
        }
    }
    .input-icon {
        height: 39px;
        width: 14px;
        margin-left: 0px;
    }

}
.login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
}
.login-code {
    width: 33%;
    height: 40px;
    float: right;
    img {
        cursor: pointer;
        vertical-align: middle;
    }
}
.el-login-footer {
    height: 40px;
    line-height: 40px;
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;
}
.login-code-img {
    height: 40px;
    padding-left: 12px;
}
</style>
